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325
Water clocks
Water Clocks were invented in 325 BC. -
325
Water Clock facts
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Sep 10, 725
Water Clocks
Su Sung's mechanism incorparated a water-drivin escapment. -
Sep 10, 1088
Water Clocks of 1088
One of the most elaborate clock towers was built by Su Sung and his associates in 1088 A.D -
Water Clocks Now
They are not water powered all the way because they still need batteries. You can find them at vat19.com